Best AI CAD

Meshy alternatives for 3D printing

By the GrandpaCAD team · · Updated

11 tools compared · facts checked · method v2

Meshy7/14
  • GrandpaCAD13/14our pick
  • Zoo Design Studio10/14for pro engineering
Our two picks for 3D printing, on our 14-point score.

As of November 2026, the Meshy alternative we'd pick for 3D printing is GrandpaCAD, and we think it's the easiest: you describe the print in a chat, and it builds parts in real millimetres with a slider for each dimension, sculpts figurines painted in four filaments, and downloads STL, 3MF or STEP.

Try GrandpaCAD free 3 free generations · downloads from $12

Below are the alternatives by kind, ranked on our criteria, with a source on every fact.

Short answer

  1. GrandpaCAD for parts that have to fit, with real millimetres and sliders, and figurines in four filaments in the same chat.

Meshy and 10 alternatives, scored Out of 14, on our published weights. Facts checked 8 Nov 2026.
  1. Rank 1: GrandpaCADour pick13 out of 14
  2. Rank 2: BuildCAD AI11 out of 14
  3. Rank 3: CADAM10 out of 14
  4. Rank 4: Womp7.5 out of 14
  5. Rank 5: Meshy7 out of 14
  6. Rank 6: 3D AI Studio6.5 out of 14
  7. Rank 7: MakerWorld MakerLab5.5 out of 14
  8. Rank 8, tied: Hyper3D Rodin5 out of 14
  9. Rank 8, tied: Tripo AI5 out of 14
  10. Rank 10: Microsoft TRELLIS.23 out of 14
  11. Rank 11: Tencent Hunyuan3D2.5 out of 14

Made by the GrandpaCAD team. We set the criteria and score every tool ourselves, GrandpaCAD included. No sponsors or affiliate links. How we score

What Meshy does

Meshy turns text or a photo into a textured mesh for figurines, props and display pieces. It exports 3MF with 1 to 16 filament colours and sends it to Bambu Studio on Pro, has a paid repair step, and defaults to centimetres, so switch the unit to mm before export. It has no editable dimensions. Source: Meshy help: multi-colour prints, checked

Four kinds of Meshy alternative

  • CAD tools that build to exact sizes: GrandpaCAD, BuildCAD AI, CADAM. Meshy makes meshes without editable dimensions, and its default unit is centimetres. These tools build solids from numbers, so a hole is the size you asked for and stays editable.
  • Other mesh generators: Tripo AI, Hyper3D Rodin, 3D AI Studio. Same kind of output as Meshy, with different engines, tools and prices.
  • Free or open-source generators: Microsoft TRELLIS.2, Tencent Hunyuan3D, Womp. Meshy's free outputs are CC BY 4.0 and capped at 10 downloads a month. These cost nothing to run, with real catches.
  • Bambu Lab's own tool: MakerWorld MakerLab. Bambu's own image-to-3D tool runs several of the same engines inside MakerWorld.

Our pick, and every alternative we checked

Ranked on the same weights as every page on this site, Meshy included, so you can see where it lands. We'd use GrandpaCAD; the rest are listed with what they do.

YesPartlyNoNot listed

Rank 1 on this page: GrandpaCAD

Parametric CAD + sculpted meshes

Anyone who can describe a part in a chat: functional parts in real millimetres with a slider per dimension, threads and fits, and sculpted multi-colour figurines, from the same chat.

  • Exact mm: Yes. Dimensions in your message land as real millimetres.
  • Edit after: Yes. Sliders rebuild CAD parts without a new generation. Sculpted parts need a re-cut.
  • Sculpts: Yes. Photo or prompt to a sculpted figurine.
  • STL/3MF: Yes. 3MF and STL open 1:1 in Bambu Studio, PrusaSlicer and OrcaSlicer.
  • No CAD skills: Yes. Describe the part; no CAD skills needed.
  • Multi-colour: Yes. Four filaments by default, one slot per region.
  • STEP: Yes. STEP download on a paid pack or plan.
  • Free files: No. 3 free generations, but downloads need a paid pack or plan.
Strengths, gaps, exports and price

Where it wins

  • Builds to your millimetres. Dimensions in your message land as real millimetres.
  • Change sizes without re-prompting. Sliders rebuild CAD parts without a new generation. Sculpted parts need a re-cut.

Where it falls short

  • Free plan includes downloads: 3 free generations, but downloads need a paid pack or plan.
Exports
3MF, STL, STEP, OBJ, GLB and GLTF downloads on a paid pack or plan.
Free plan
3 trial generations, no card, same output quality as paid. No downloads on the free account.
Paid from
$12 one-off for 25 generations (valid 1 year); $24/month for 70; $228/year for 840. Prices exclude tax.

Sources: GrandpaCAD (STEP export) (2026-11-08); GrandpaCAD pricing and FAQ (2026-11-08)

Every other tool we checked

In score order, out of 14, with what each one does from its own documentation. Each name links to its row in the comparison table, with every fact and source.

  1. Rank 2: BuildCAD AI11 / 14Web AI agent that builds parametric CAD from text or a photo, with sliders and click-a-face edits. The kernel isn't disclosed. Source: BuildCAD AI pricing, checked
  2. Rank 3: CADAM10 / 14Open-source text- and image-to-CAD web app on OpenSCAD compiled to WebAssembly; GPL-3.0, 5.4k GitHub stars, last pushed 2026-10-15. Source: CADAM on GitHub, checked
  3. Rank 4: Womp7.5 / 14Image or sketch to a base 3D shape (Spark AI), then sculpting in Womp's own editor. Source: Womp blog: drawing or image to 3D print (2026-04-14), checked
  4. Rank 5: Meshy7 / 14Text or image to a textured mesh; remesh, retexture, rig and animate. No parameters. Source: Meshy docs: 3D printing, checked
  5. Rank 6: 3D AI Studio6.5 / 14Aggregator of 20+ mesh engines plus its own Prism model; Add Base, SVG-to-3D, font-to-3D and relief tools. Source: 3D AI Studio, checked
  6. Rank 7: MakerWorld MakerLab5.5 / 14Bambu Lab's MakerLab tools; Image to 3D runs a menu of engines (Meshy, Tripo, Hunyuan, Rodin, Hi3D per Meshy's comparison). Source: Meshy blog: MakerWorld image to 3D vs Meshy (posted 2026-10-21), checked
  7. Rank 8, tied: Hyper3D Rodin5 / 14Gen-2.5 model: text, image or several images to a textured mesh. Source: Hyper3D Rodin, checked
  8. Rank 8, tied: Tripo AI5 / 14Text, image or multi-view to mesh; remesh, segmentation, retexture and rigging. Source: Tripo llms.txt, checked
  9. Rank 10: Microsoft TRELLIS.23 / 14Image to PBR-textured GLB; 4B parameters; MIT licence; 12.7k stars; last pushed 2026-07-10. Source: TRELLIS.2 on GitHub, checked
  10. Rank 11: Tencent Hunyuan3D2.5 / 142.1 open weights for image-to-3D; 3.0 and 3.1 as hosted or API models (open 3.x weights not confirmed). Source: okmiku: Hunyuan 3D 3.1 (third party), checked

Meshy and its alternatives compared

Open the table: all 11 tools, every fact with its source

Showing 11 of 11 tools

Meshy and alternatives, ranked on our published weights. Facts checked 2026-11-08.
ToolMakesExportsExact mmEdit afterSTEPFree files
Rank 1: GrandpaCADScore 13 / 14Parametric CAD + sculpted meshes3MF STL STEP OBJ GLB GLTFYes. Dimensions in your message land as real millimetres. Source: GrandpaCAD: CAD for 3D printing, checked 2026-11-08Yes. Sliders rebuild CAD parts without a new generation. Sculpted parts need a re-cut. Source: GrandpaCAD pricing and FAQ, checked 2026-11-08Yes. STEP download on a paid pack or plan. Source: GrandpaCAD (STEP export), checked 2026-11-08No. 3 free generations, but downloads need a paid pack or plan. Source: GrandpaCAD pricing and FAQ, checked 2026-11-083 free generations, but downloads need a paid pack or plan.
Rank 2: BuildCAD AIScore 11 / 14Parametric CAD from textSTEP STL 3MFYes. Parametric CAD from your measurements. Source: BuildCAD AI: CAD for 3D printing, checked 2026-11-08Yes. Sliders and click-a-face edits. Source: BuildCAD AI pricing, checked 2026-11-08Yes. STEP export, also on free. Source: BuildCAD AI pricing, checked 2026-11-08Yes. Exports included on the 200-credit free plan. Source: BuildCAD AI pricing, checked 2026-11-08Exports included on the 200-credit free plan.
Rank 3: CADAMScore 10 / 14Open-source text to OpenSCADSTL SCAD DXFYes. OpenSCAD solids in model units. Source: CADAM on GitHub, checked 2026-11-08Yes. Auto-detected sliders. Source: CADAM on GitHub, checked 2026-11-08No. No STEP. Source: CADAM on GitHub, checked 2026-11-08Yes. Free when self-hosted. Source: CADAM on GitHub, checked 2026-11-08Free when self-hosted.
Rank 4: WompScore 7.5 / 14AI base mesh + sculpting editorSTL OBJ glTF PLYNo. Not dimension-driven. Source: Womp pricing, checked 2026-11-08Partly. Sculpt by hand in Womp's editor. Source: Womp blog: drawing or image to 3D print (2026-04-14), checked 2026-11-08No. Mesh formats only. Source: Womp blog: drawing or image to 3D print (2026-04-14), checked 2026-11-08Partly. Free forever with limited exports. Source: Womp pricing, checked 2026-11-08Free forever with limited exports.
Rank 5: MeshyScore 7 / 14AI mesh generatorSTL 3MF OBJ FBX GLB USDZ BLENDNo. Mesh; default unit cm; resizing needs a paid plan. Source: Meshy docs: 3D printing, checked 2026-11-08No. Mesh only, no parameters. Source: Meshy docs: 3D printing, checked 2026-11-08No. Mesh formats only. Source: Meshy docs: 3D printing, checked 2026-11-08Yes. 10 downloads/month, CC BY 4.0. Source: Meshy pricing, checked 2026-11-0810 downloads/month, CC BY 4.0.
Rank 6: 3D AI StudioScore 6.5 / 14AI mesh aggregatorSTL 3MF OBJ FBX GLB USDZ BLEND PLYNo. Mesh only. Source: 3D AI Studio, checked 2026-11-08No. Mesh only. Source: 3D AI Studio, checked 2026-11-08No. Mesh formats only. Source: 3D AI Studio, checked 2026-11-08Not listed. Free credit amount not stated. Source: 3D AI Studio pricing, checked 2026-11-08Free credit amount not stated.
Rank 7: MakerWorld MakerLabScore 5.5 / 14AI mesh generatorSTL 3MF GLBNo. Mesh only. Source: Meshy blog: MakerWorld image to 3D vs Meshy (posted 2026-10-21), checked 2026-11-08No. Mesh only. Source: Meshy blog: MakerWorld image to 3D vs Meshy (posted 2026-10-21), checked 2026-11-08No. Mesh formats only. Source: Meshy blog: MakerWorld image to 3D vs Meshy (posted 2026-10-21), checked 2026-11-08Partly. 2 free generations per account, never reset. Source: Meshy blog: MakerWorld image to 3D vs Meshy (posted 2026-10-21), checked 2026-11-082 free generations per account, never reset.
Rank 8, tied: Hyper3D RodinScore 5 / 14AI mesh generatorSTL FBX OBJ GLB glTF USDZNo. Mesh only. Source: Hyper3D Rodin, checked 2026-11-08No. Mesh only. Source: Hyper3D Rodin, checked 2026-11-08No. Mesh formats only. Source: Hyper3D Rodin, checked 2026-11-08No. Free plan pays per credit. Source: Hyper3D pricing, checked 2026-11-08Free plan pays per credit.
Rank 8, tied: Tripo AIScore 5 / 14AI mesh generatorSTL 3MF OBJ FBX GLB/glTF USDZ PLYNo. Mesh only. Source: Tripo llms.txt, checked 2026-11-08No. Mesh only. Source: Tripo llms.txt, checked 2026-11-08No. Mesh formats only. Source: Tripo llms.txt, checked 2026-11-08Not listed. Free plan terms unverified on the vendor site. Source: CostBench: Tripo AI pricing (third party, checked by them 2026-11-05), checked 2026-11-08Free plan terms unverified on the vendor site.
Rank 10: Microsoft TRELLIS.2Score 3 / 14Open model (image to 3D)GLBNo. No real-world scale. Source: TRELLIS.2 README, checked 2026-11-08No. Mesh only. Source: TRELLIS.2 README, checked 2026-11-08No. GLB only. Source: TRELLIS.2 README, checked 2026-11-08Yes. Free and MIT. Source: TRELLIS.2 on GitHub, checked 2026-11-08Free and MIT.
Rank 11: Tencent Hunyuan3DScore 2.5 / 14Open weights (2.1) + hosted (3.x)GLB OBJNo. No real-world scale. Source: GitHub API: Hunyuan3D-2.1, checked 2026-11-08No. Mesh only. Source: GitHub API: Hunyuan3D-2.1, checked 2026-11-08No. Mesh only. Source: GitHub API: Hunyuan3D-2.1, checked 2026-11-08Partly. Free weights, but the licence excludes the EU, UK and South Korea. Source: Hunyuan3D 2.1 licence, checked 2026-11-08Free weights, but the licence excludes the EU, UK and South Korea.

Our pick for 3D printing

GrandpaCAD. Meshy makes textured meshes with no sizes to edit; GrandpaCAD sculpts figurines too, and when a print has to fit something you type the millimetres and change them with sliders after a test print. Meshy's 3MF goes up to 16 filament colours; ours defaults to four and goes up to ten.

Questions people ask

What is the best Meshy alternative for 3D printing?

GrandpaCAD. You describe the print in a chat and it builds parts in real millimetres with a slider per dimension, sculpts figurines in a 3MF painted in four filaments, and downloads STL, 3MF or STEP on a pack from $12 or a plan. Free accounts get 3 trial generations without downloads.

Is there a free Meshy alternative?

Some have free tiers. GrandpaCAD, the one we recommend, gives 3 free generations, but downloads need a paid pack (from $12) or plan. Womp's Starter plan is free with 300 AI credits a day and limited exports, MakerWorld MakerLab gives 2 free generations per account, and TRELLIS.2 is free and MIT-licensed if you have the GPU.

Is there an open-source Meshy alternative?

Microsoft TRELLIS.2 (MIT) and Tencent Hunyuan3D 2.1 (open weights) are open. Hunyuan3D's licence says it does not apply in the EU, UK or South Korea, so EU makers can't rely on it for local use. Neither gives you a printing pipeline or real-world scale. GrandpaCAD isn't open source.

What's a Tripo AI alternative?

For 3D printing we'd use GrandpaCAD for the same reasons as above. The like-for-like mesh generators are Meshy, Hyper3D Rodin and 3D AI Studio (which runs Meshy, Tripo, Rodin and more from one account); Meshy vs Tripo compares the first two.